diff --git a/content/contribute/development.md b/content/contribute/development.md
index 2e910cafe..2d57b8adf 100644
--- a/content/contribute/development.md
+++ b/content/contribute/development.md
@@ -391,6 +391,7 @@ Feel free to [open an issue][newissue] if you think you found a bug or you have
 * [Code School and GitHub's "Try Git" Tutorial][trygit] (Free)
 * [The Git Book][gitbook] (Free)
 * [Go Bootcamp][gobootcamp]
+* [GitHub Pull Request Tutorial, Thinkful][thinkful]
 
 
 [codecademy]: https://www.codecademy.com/learn/learn-git
@@ -406,4 +407,5 @@ Feel free to [open an issue][newissue] if you think you found a bug or you have
 [newissue]: https://github.com/spf13/hugo/issues/new
 [releases]: /getting-started/
 [setupgopath]: https://golang.org/doc/code.html#Workspaces
+[thinkful]: https://www.thinkful.com/learn/github-pull-request-tutorial/
 [trygit]: https://try.github.io/levels/1/challenges/1
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